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首先创建集群,然后使用HereMap JavaScript API向其中添加节点_Javascript_Android_Maps_Here Api - Fatal编程技术网

首先创建集群,然后使用HereMap JavaScript API向其中添加节点

首先创建集群,然后使用HereMap JavaScript API向其中添加节点,javascript,android,maps,here-api,Javascript,Android,Maps,Here Api,在Android上,我正在HereMaps上创建集群,并使用HereMaps Java API上的以下函数向其添加节点 private void initializeMapCluster() { truckImage = new com.here.android.mpa.common.Image(); try { truckImage.setImageResource(R.drawable.truck_img); }

在Android上,我正在HereMaps上创建集群,并使用HereMaps Java API上的以下函数向其添加节点

   private void initializeMapCluster() {

       truckImage = new com.here.android.mpa.common.Image();
        try {
            truckImage.setImageResource(R.drawable.truck_img);
        } catch (IOException e) {
        }

       markerCluster = new ClusterLayer();
        // Setting up basic cluster theme.
        BasicClusterStyle redStyle = new BasicClusterStyle();
        redStyle.setFillColor(Color.RED);
        BasicClusterStyle greenStyle = new BasicClusterStyle();
        greenStyle.setFillColor(Color.GREEN);

       ClusterTheme theme = new ClusterTheme();
        theme.setStyleForDensityRange(4, 9, redStyle);
        theme.setStyleForDensityRange(10, 49, greenStyle);
        markerCluster.setTheme(theme);
        map.addClusterLayer(markerCluster);
        map.setCenter(new GeoCoordinate(LAT, LNG, 0.0), Map.Animation.BOW);
        LocationUpdated(LAT, LNG);
    }
现在,我也愿意这样做,但无法使用HereMaps JavaScript API找到类似的函数


尽管如此,我能够通过数据点进行集群,但我正在寻找一个选项,即首先创建集群,然后使用JavaScript API将节点添加到集群中。我在HereMaps的JavaScript API中找到了解决此问题的替代方案。我希望这能帮助面临类似问题的人

步骤1:使用空数组创建群集数据提供程序:

var clusteredDataProvider = new H.clustering.Provider([], {
      clusteringOptions: {
        eps: 32,
        minWeight: 2
      }
    });
var clusteringLayer = new H.map.layer.ObjectLayer(clusteredDataProvider);
map.addLayer(clusteringLayer)
步骤2:使用群集数据提供程序创建群集层:

var clusteredDataProvider = new H.clustering.Provider([], {
      clusteringOptions: {
        eps: 32,
        minWeight: 2
      }
    });
var clusteringLayer = new H.map.layer.ObjectLayer(clusteredDataProvider);
map.addLayer(clusteringLayer)
步骤3:将群集层添加到地图:

var clusteredDataProvider = new H.clustering.Provider([], {
      clusteringOptions: {
        eps: 32,
        minWeight: 2
      }
    });
var clusteringLayer = new H.map.layer.ObjectLayer(clusteredDataProvider);
map.addLayer(clusteringLayer)
步骤4:在群集数据提供程序中动态添加/删除数据点

var dataPoint1 = new H.clustering.DataPoint(lat1, lng1);
var dataPoint2 = new H.clustering.DataPoint(lat2, lng2);
clusteredDataProvider.addDataPoint(dataPoint1);
clusteredDataProvider.addDataPoint(dataPoint2);
clusteredDataProvider.removeDataPoint(dataPoint1);